body{
    background-color: rgb(245,245, 245);
}
/* header 区域 */
.top-nav {
    width: 100%;
    background-color: rgb(51, 51, 51);
  }
  .top-nav a {
    display: inline-block;
    padding: 14px 5px;
    color: rgb(176, 176, 176);
  }
  .top-nav a:hover {
    color: #fff;
  }
  .top-nav a.car {
    background-color: rgb(66, 66, 66);
    padding: 14px 25px;
    position: relative;
  }
  .top-nav a.car:hover {
    background-color: #fff;
    color: rgb(255, 103, 0);
  }
  .top-nav a.car span {
    font-size: 12px;
  }
  .top-nav a.car .car-content {
    position: absolute;
    right: 0;
    top: 100%;
    width: 300px;
    height: 100px;
    background-color: #fff;
    text-align: center;
    line-height: 100px;
    box-shadow: darkgrey 0px 0px 3px;
    display: none;
    z-index: 99;
  }
  /* 导航区域 */
  nav {
    position: relative;
    background-color: rgb(255, 255, 255)
  }
  .logo {
    margin-top: 20px;
    margin-right: 100px;
  }
  .main-nav {

  }
  .main-nav li {
    float: left;
  }
  .main-nav li a {
    font-size: 16px;
    display: block;
    padding: 39px 12px;
    color: black;
  }
  .main-nav li a:hover {
    color: rgb(255, 103, 0);
  }
  .search {
    position: relative;
    height: 50px;
    width: 300px;
    border: 1px solid #dddddd;
    margin-top: 25px;
  }
  .search input {
    height: 48px;
    width: 248px;
    padding-left: 30px;
    border-right: 1px solid #dddddd;
  }
  .search i {
    width: 50px;
    height: 50px;
    position: absolute;
    right: 0;
    top: -1px;
    text-align: center;
    line-height: 50px;
    transition: all 0.3s;
  }
  .search i:hover {
    background-color: rgb(255, 103, 0);
  }
  nav .nav-content {
    width: 100%;
    border-top: 1px solid #dddddd;
    display: none;
    height: 150px;
    position: absolute;
    z-index: 101;
    top: 100%;
    box-shadow: 0 0 3px #dddddd;
    background-color: #ffffff;
  }
  nav .nav-content .w {
    left: 50%;
    top: 0%;
    position: absolute;
    transform: translateX(-50%);
    z-index: 99;
  }
  nav .nav-content .w ul {
    display: none;
  }
  nav .nav-content .w li {
    float: left;
    width: calc(100% / 6);
    text-align: center;
    padding: 40px 0;
    border-right: 1px solid #eeeeee;
    margin-top: 20px;
  }
  nav .nav-content .w li:last-child {
    border: 0;
  }
  
  /* banner */
  .banner{
      width: 100%;
  }
  .banner .w{
    overflow: hidden;
  }
  .banner .breadcrumbs{
      height: 40px;
      line-height: 40px;
  }
  .banner .breadcrumbs a{
      color: #000000;
      transition: all .2s;
  }
  .banner .breadcrumbs a:hover{
      color: rgb(239,91,0);
  }
  .banner .swiper-container{
      position: relative;
  }
  /* main */
  .main img{
      width: 100%;
  }
  /* 脚注区域 */
#footer {
    width: 100%;
    background-color: #fff;
    margin-top: 50px;
  }
  #footer .fuwu {
    width: 100%;
  }
  #footer .fuwu ul {
    padding: 30px;
    /* border-bottom: 1px solid #cccccc; */
    text-align: center;
    font-size: 14px;
  }
  #footer .fuwu ul li {
    width: calc(100% / 5);
    float: left;
    border-right: 1px solid #cccccc;
  }
  #footer .fuwu ul li:last-child {
    border: 0;
  }
  #footer .fuwu ul li a {
    transition: all 0.4s;
    color: #000;
  }
  #footer .fuwu ul li a:hover {
    color: rgb(255, 103, 0);
  }
  #footer .fuwu .logo {
    width: 100%;
    text-align: center;
    margin-top: 100px;
  }
  #footer .fuwu .logo p {
    font-size: 14px;
    padding: 80px;
  }